c# - How to add option "Any" in a dropdownlist when data is filled from database? -

i have dropdownlist values added connecting database.

here's code:

<asp:dropdownlist id="dropdownlist1" runat="server" datasourceid="sqldatasource1" datatextfield="devicetype" datavaluefield="devicetype"></asp:dropdownlist> <asp:sqldatasource id="sqldatasource1" runat="server" connectionstring="<%$ connectionstrings:phsnew %>" selectcommand="select distinct [devicetype] [dx_devices]"></asp:sqldatasource> 

now want add 1 more option "any" in dropdownlist.

how can add?

this should it:

ddl_myitems.items.insert(0, new listitem("--any--", string.empty)); ddl_myitems.selectedindex = 0;